Margaret Linehan is named as a lobbyist on federal disclosure filings for 13 clients through Ervin Graves Strategy Group, LLC and 1 other registrant. The most recent filing naming them posted in October 2026. Issues reported include Defense, Health Issues, Manufacturing and Homeland Security.
Filers must list covered executive or legislative branch positions held. As filed:
| Client | Registrant | Latest | Issues |
|---|---|---|---|
| ENSEMBLE GOVERNMENT SERVICES, LLC | ERVIN GRAVES STRATEGY GROUP, LLC | Q4 2026 | Science/Technology |
| ZAPATA QUANTUM, INC. | ERVIN GRAVES STRATEGY GROUP, LLC | Q3 2026 | Science/Technology |
| RIGAKU ANALYTICAL DEVICES, INC. | ERVIN GRAVES STRATEGY GROUP, LLC | Q3 2026 | Defense |
| WESTWIN ELEMENTS INC. | ERVIN GRAVES STRATEGY GROUP, LLC | Q3 2026 | Natural Resources, Defense, Manufacturing |
| MATERIC, LLC | ERVIN GRAVES STRATEGY GROUP, LLC | Q3 2026 | Science/Technology |
| AIRTEC, INC. | ERVIN GRAVES STRATEGY GROUP, LLC | Q3 2026 | Defense |
| SURMET CORP. | ERVIN GRAVES STRATEGY GROUP, LLC | Q3 2026 | Science/Technology, Defense, Manufacturing |
| N BRERETON MEDICAL TECHNOLOGIES | ERVIN GRAVES STRATEGY GROUP, LLC | Q3 2026 | Alcohol and Drug Abuse, Health Issues |
| NATERA, INC. | ERVIN GRAVES STRATEGY GROUP, LLC | Q3 2026 | Insurance, Defense, Health Issues |
| DISASTER TECHNOLOGIES, INC | ERVIN GRAVES STRATEGY GROUP, LLC | Q3 2026 | Disaster Planning/Emergencies |
| CIPHER TECH SOLUTIONS | ERVIN GRAVES STRATEGY GROUP, LLC | Q3 2026 | Defense |
| ALTI, LLC | ERVIN GRAVES STRATEGY GROUP, LLC | Q3 2026 | Defense |
| N BRERETON MEDICAL TECHNOLOGIES | THE CONSILIO GROUP | Q1 2026 | Alcohol and Drug Abuse |
| NATERA, INC. | THE CONSILIO GROUP | Q1 2026 | Medicare/Medicaid, Health Issues |
| RIGAKU RAMAN TECHNOLOGIES, INC. | THE CONSILIO GROUP | Q1 2026 | Defense, Homeland Security |
| Year | Clients | Registrants |
|---|---|---|
| 2026 | 12 | 2 |
| 2025 | 3 | 1 |
Pay is not disclosed for individual lobbyists. Filings do not confirm that records with the same name are one person, so this page may combine people who share the name Margaret Linehan. See the Capitol Clarity rankings and method.